Keystones — Capstone
Five GCSE retrieval questions · 28 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 848
Answer: 1841 -
2. Algebra
Solve: x⁄5 = 6.4
Answer: x = 32 -
3. Geometry
Adjacent = 29cm, hypotenuse = 48cm. Find the angle
Answer: 52.8° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 38. If 4 of them are 18, 43, 30, 48, what is the missing number?
Answer: 51